Handy/src-tauri/src/managers/keybinding.rs
2025-02-17 11:51:15 -08:00

131 lines
4.5 KiB
Rust

use super::audio::AudioRecordingManager;
use super::transcription::TranscriptionManager;
use rdev::{EventType, Key};
use rig::providers::anthropic;
use std::collections::HashSet;
use std::sync::{Arc, Mutex};
type KeySet = HashSet<Key>;
#[derive(Clone)]
pub struct BindingContext {
pub recording_manager: Arc<AudioRecordingManager>,
pub transcription_manager: Arc<TranscriptionManager>,
pub anthropic: Arc<anthropic::Client>,
pub app_handle: tauri::AppHandle,
}
pub struct KeyBinding {
id: String,
keys: KeySet,
on_press: Box<
dyn Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
>,
on_release: Box<
dyn Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
>,
}
impl KeyBinding {
fn new<F, G>(id: String, keys: Vec<Key>, on_press: F, on_release: G) -> Self
where
F: Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
G: Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
{
Self {
id,
keys: keys.into_iter().collect(),
on_press: Box::new(on_press),
on_release: Box::new(on_release),
}
}
}
pub struct KeyBindingManager {
bindings: Vec<KeyBinding>,
global_pressed: Arc<Mutex<HashSet<Key>>>,
active_bindings: Arc<Mutex<HashSet<String>>>,
context: BindingContext,
}
impl KeyBindingManager {
pub fn new(
recording_manager: Arc<AudioRecordingManager>,
transcription_manager: Arc<TranscriptionManager>,
anthropic: Arc<anthropic::Client>,
app_handle: tauri::AppHandle,
) -> Self {
Self {
bindings: Vec::new(),
global_pressed: Arc::new(Mutex::new(HashSet::new())),
active_bindings: Arc::new(Mutex::new(HashSet::new())),
context: BindingContext {
recording_manager,
transcription_manager,
anthropic,
app_handle,
},
}
}
pub fn register<F, G>(&mut self, id: String, keys: Vec<Key>, on_press: F, on_release: G)
where
F: Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
G: Fn(&BindingContext) -> Option<tauri::async_runtime::JoinHandle<()>> + Send + 'static,
{
self.bindings
.push(KeyBinding::new(id, keys, on_press, on_release));
}
pub fn handle_event(&self, event: &rdev::Event) {
if let EventType::KeyPress(key) | EventType::KeyRelease(key) = event.event_type {
let mut is_press = matches!(event.event_type, EventType::KeyPress(_));
// Update global pressed keys
let mut pressed = self.global_pressed.lock().unwrap();
// If we get a release event for a key that wasn't pressed,
// treat it as a press event instead
if !is_press && !pressed.contains(&key) {
is_press = true;
}
if is_press {
pressed.insert(key);
} else {
pressed.remove(&key);
}
let pressed_snapshot = pressed.clone();
drop(pressed);
// Check binding states
let mut active = self.active_bindings.lock().unwrap();
for binding in &self.bindings {
let is_active = active.contains(&binding.id);
let all_required_pressed = binding.keys.is_subset(&pressed_snapshot);
let any_required_key = binding.keys.contains(&key);
// Only process if this event is for a key we care about
if any_required_key {
match (all_required_pressed, is_active) {
(true, false) => {
(binding.on_press)(&self.context);
active.insert(binding.id.clone());
}
(false, true) => {
// Only trigger release if none of the required keys are pressed
let any_binding_key_pressed =
binding.keys.iter().any(|k| pressed_snapshot.contains(k));
if !any_binding_key_pressed {
(binding.on_release)(&self.context);
active.remove(&binding.id);
}
}
_ => {}
}
}
}
}
}
}